Finding the Fourth Proportional to 73,457.68, 110,100.12 and 31,325.08
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Solution
The fourth proportional to 73,457.68, 110,100.12 and 31,325.08 is: 46,950.78
Step by Step Solution
- Step 1: Write the proportion equation
73,457.68 : 110,100.12 = 31,325.08 : x - Step 2: Convert to fraction form
73,457.68/110,100.12 = 31,325.08/x - Step 3: Cross multiply
73,457.68x = 110,100.12 × 31,325.08 - Step 4: Simplify right side
73,457.68x = 3,448,895,067.01 - Step 5: Solve for x
x = 3,448,895,067.01/73,457.68 - Step 6: Final answer
x = 46,950.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.